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Ratio and Proportion
The fourth proportional to 5, 8, 15 is:
18
24
19
20
Show Answer
Correct Answer:
24
Explanation:
Let the fourth proportional to 5, 8, 15 be
x
.
Then, 5 : 8 : 15 :
x
⟹ 5
x
= (8 x 15)
x
=
(8 x 15)
= 24.
5
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